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Finding the Fourth Proportional to 587,403.48, 810,747.18 and 332,895

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Solution

The fourth proportional to 587,403.48, 810,747.18 and 332,895 is: 459,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,403.48 : 810,747.18 = 332,895 : x
  2. Step 2: Convert to fraction form
    587,403.48/810,747.18 = 332,895/x
  3. Step 3: Cross multiply
    587,403.48x = 810,747.18 × 332,895
  4. Step 4: Simplify right side
    587,403.48x = 269,893,682,486.10
  5. Step 5: Solve for x
    x = 269,893,682,486.10/587,403.48
  6. Step 6: Final answer
    x = 459,468.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.